NuPlayer.cpp revision efbb61950db36a5eb789be83f077246172507c67 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17//#define LOG_NDEBUG 0
18#define LOG_TAG "NuPlayer"
19#include <utils/Log.h>
20
21#include "NuPlayer.h"
22
23#include "HTTPLiveSource.h"
24#include "NuPlayerCCDecoder.h"
25#include "NuPlayerDecoder.h"
26#include "NuPlayerDecoderBase.h"
27#include "NuPlayerDecoderPassThrough.h"
28#include "NuPlayerDriver.h"
29#include "NuPlayerRenderer.h"
30#include "NuPlayerSource.h"
31#include "RTSPSource.h"
32#include "StreamingSource.h"
33#include "GenericSource.h"
34#include "TextDescriptions.h"
35
36#include "ATSParser.h"
37
38#include <cutils/properties.h>
39
40#include <media/stagefright/foundation/hexdump.h>
41#include <media/stagefright/foundation/ABuffer.h>
42#include <media/stagefright/foundation/ADebug.h>
43#include <media/stagefright/foundation/AMessage.h>
44#include <media/stagefright/MediaBuffer.h>
45#include <media/stagefright/MediaDefs.h>
46#include <media/stagefright/MediaErrors.h>
47#include <media/stagefright/MetaData.h>
48#include <gui/IGraphicBufferProducer.h>
49
50#include "avc_utils.h"
51
52#include "ESDS.h"
53#include <media/stagefright/Utils.h>
54
55namespace android {
56
57struct NuPlayer::Action : public RefBase {
58    Action() {}
59
60    virtual void execute(NuPlayer *player) = 0;
61
62private:
63    DISALLOW_EVIL_CONSTRUCTORS(Action);
64};
65
66struct NuPlayer::SeekAction : public Action {
67    SeekAction(int64_t seekTimeUs, bool needNotify)
68        : mSeekTimeUs(seekTimeUs),
69          mNeedNotify(needNotify) {
70    }
71
72    virtual void execute(NuPlayer *player) {
73        player->performSeek(mSeekTimeUs, mNeedNotify);
74    }
75
76private:
77    int64_t mSeekTimeUs;
78    bool mNeedNotify;
79
80    DISALLOW_EVIL_CONSTRUCTORS(SeekAction);
81};
82
83struct NuPlayer::ResumeDecoderAction : public Action {
84    ResumeDecoderAction(bool needNotify)
85        : mNeedNotify(needNotify) {
86    }
87
88    virtual void execute(NuPlayer *player) {
89        player->performResumeDecoders(mNeedNotify);
90    }
91
92private:
93    bool mNeedNotify;
94
95    DISALLOW_EVIL_CONSTRUCTORS(ResumeDecoderAction);
96};
97
98struct NuPlayer::SetSurfaceAction : public Action {
99    SetSurfaceAction(const sp<NativeWindowWrapper> &wrapper)
100        : mWrapper(wrapper) {
101    }
102
103    virtual void execute(NuPlayer *player) {
104        player->performSetSurface(mWrapper);
105    }
106
107private:
108    sp<NativeWindowWrapper> mWrapper;
109
110    DISALLOW_EVIL_CONSTRUCTORS(SetSurfaceAction);
111};
112
113struct NuPlayer::FlushDecoderAction : public Action {
114    FlushDecoderAction(FlushCommand audio, FlushCommand video)
115        : mAudio(audio),
116          mVideo(video) {
117    }
118
119    virtual void execute(NuPlayer *player) {
120        player->performDecoderFlush(mAudio, mVideo);
121    }
122
123private:
124    FlushCommand mAudio;
125    FlushCommand mVideo;
126
127    DISALLOW_EVIL_CONSTRUCTORS(FlushDecoderAction);
128};
129
130struct NuPlayer::PostMessageAction : public Action {
131    PostMessageAction(const sp<AMessage> &msg)
132        : mMessage(msg) {
133    }
134
135    virtual void execute(NuPlayer *) {
136        mMessage->post();
137    }
138
139private:
140    sp<AMessage> mMessage;
141
142    DISALLOW_EVIL_CONSTRUCTORS(PostMessageAction);
143};
144
145// Use this if there's no state necessary to save in order to execute
146// the action.
147struct NuPlayer::SimpleAction : public Action {
148    typedef void (NuPlayer::*ActionFunc)();
149
150    SimpleAction(ActionFunc func)
151        : mFunc(func) {
152    }
153
154    virtual void execute(NuPlayer *player) {
155        (player->*mFunc)();
156    }
157
158private:
159    ActionFunc mFunc;
160
161    DISALLOW_EVIL_CONSTRUCTORS(SimpleAction);
162};
163
164////////////////////////////////////////////////////////////////////////////////
165
166NuPlayer::NuPlayer()
167    : mUIDValid(false),
168      mSourceFlags(0),
169      mOffloadAudio(false),
170      mAudioDecoderGeneration(0),
171      mVideoDecoderGeneration(0),
172      mRendererGeneration(0),
173      mAudioEOS(false),
174      mVideoEOS(false),
175      mScanSourcesPending(false),
176      mScanSourcesGeneration(0),
177      mPollDurationGeneration(0),
178      mTimedTextGeneration(0),
179      mFlushingAudio(NONE),
180      mFlushingVideo(NONE),
181      mResumePending(false),
182      mVideoScalingMode(NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW),
183      mStarted(false),
184      mPaused(false),
185      mPausedByClient(false) {
186    clearFlushComplete();
187}
188
189NuPlayer::~NuPlayer() {
190}
191
192void NuPlayer::setUID(uid_t uid) {
193    mUIDValid = true;
194    mUID = uid;
195}
196
197void NuPlayer::setDriver(const wp<NuPlayerDriver> &driver) {
198    mDriver = driver;
199}
200
201void NuPlayer::setDataSourceAsync(const sp<IStreamSource> &source) {
202    sp<AMessage> msg = new AMessage(kWhatSetDataSource, id());
203
204    sp<AMessage> notify = new AMessage(kWhatSourceNotify, id());
205
206    msg->setObject("source", new StreamingSource(notify, source));
207    msg->post();
208}
209
210static bool IsHTTPLiveURL(const char *url) {
211    if (!strncasecmp("http://", url, 7)
212            || !strncasecmp("https://", url, 8)
213            || !strncasecmp("file://", url, 7)) {
214        size_t len = strlen(url);
215        if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) {
216            return true;
217        }
218
219        if (strstr(url,"m3u8")) {
220            return true;
221        }
222    }
223
224    return false;
225}
226
227void NuPlayer::setDataSourceAsync(
228        const sp<IMediaHTTPService> &httpService,
229        const char *url,
230        const KeyedVector<String8, String8> *headers) {
231
232    sp<AMessage> msg = new AMessage(kWhatSetDataSource, id());
233    size_t len = strlen(url);
234
235    sp<AMessage> notify = new AMessage(kWhatSourceNotify, id());
236
237    sp<Source> source;
238    if (IsHTTPLiveURL(url)) {
239        source = new HTTPLiveSource(notify, httpService, url, headers);
240    } else if (!strncasecmp(url, "rtsp://", 7)) {
241        source = new RTSPSource(
242                notify, httpService, url, headers, mUIDValid, mUID);
243    } else if ((!strncasecmp(url, "http://", 7)
244                || !strncasecmp(url, "https://", 8))
245                    && ((len >= 4 && !strcasecmp(".sdp", &url[len - 4]))
246                    || strstr(url, ".sdp?"))) {
247        source = new RTSPSource(
248                notify, httpService, url, headers, mUIDValid, mUID, true);
249    } else {
250        sp<GenericSource> genericSource =
251                new GenericSource(notify, mUIDValid, mUID);
252        // Don't set FLAG_SECURE on mSourceFlags here for widevine.
253        // The correct flags will be updated in Source::kWhatFlagsChanged
254        // handler when  GenericSource is prepared.
255
256        status_t err = genericSource->setDataSource(httpService, url, headers);
257
258        if (err == OK) {
259            source = genericSource;
260        } else {
261            ALOGE("Failed to set data source!");
262        }
263    }
264    msg->setObject("source", source);
265    msg->post();
266}
267
268void NuPlayer::setDataSourceAsync(int fd, int64_t offset, int64_t length) {
269    sp<AMessage> msg = new AMessage(kWhatSetDataSource, id());
270
271    sp<AMessage> notify = new AMessage(kWhatSourceNotify, id());
272
273    sp<GenericSource> source =
274            new GenericSource(notify, mUIDValid, mUID);
275
276    status_t err = source->setDataSource(fd, offset, length);
277
278    if (err != OK) {
279        ALOGE("Failed to set data source!");
280        source = NULL;
281    }
282
283    msg->setObject("source", source);
284    msg->post();
285}
286
287void NuPlayer::prepareAsync() {
288    (new AMessage(kWhatPrepare, id()))->post();
289}
290
291void NuPlayer::setVideoSurfaceTextureAsync(
292        const sp<IGraphicBufferProducer> &bufferProducer) {
293    sp<AMessage> msg = new AMessage(kWhatSetVideoNativeWindow, id());
294
295    if (bufferProducer == NULL) {
296        msg->setObject("native-window", NULL);
297    } else {
298        msg->setObject(
299                "native-window",
300                new NativeWindowWrapper(
301                    new Surface(bufferProducer, true /* controlledByApp */)));
302    }
303
304    msg->post();
305}
306
307void NuPlayer::setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink) {
308    sp<AMessage> msg = new AMessage(kWhatSetAudioSink, id());
309    msg->setObject("sink", sink);
310    msg->post();
311}
312
313void NuPlayer::start() {
314    (new AMessage(kWhatStart, id()))->post();
315}
316
317void NuPlayer::pause() {
318    (new AMessage(kWhatPause, id()))->post();
319}
320
321void NuPlayer::resetAsync() {
322    if (mSource != NULL) {
323        // During a reset, the data source might be unresponsive already, we need to
324        // disconnect explicitly so that reads exit promptly.
325        // We can't queue the disconnect request to the looper, as it might be
326        // queued behind a stuck read and never gets processed.
327        // Doing a disconnect outside the looper to allows the pending reads to exit
328        // (either successfully or with error).
329        mSource->disconnect();
330    }
331
332    (new AMessage(kWhatReset, id()))->post();
333}
334
335void NuPlayer::seekToAsync(int64_t seekTimeUs, bool needNotify) {
336    sp<AMessage> msg = new AMessage(kWhatSeek, id());
337    msg->setInt64("seekTimeUs", seekTimeUs);
338    msg->setInt32("needNotify", needNotify);
339    msg->post();
340}
341
342
343void NuPlayer::writeTrackInfo(
344        Parcel* reply, const sp<AMessage> format) const {
345    int32_t trackType;
346    CHECK(format->findInt32("type", &trackType));
347
348    AString lang;
349    CHECK(format->findString("language", &lang));
350
351    reply->writeInt32(2); // write something non-zero
352    reply->writeInt32(trackType);
353    reply->writeString16(String16(lang.c_str()));
354
355    if (trackType == MEDIA_TRACK_TYPE_SUBTITLE) {
356        AString mime;
357        CHECK(format->findString("mime", &mime));
358
359        int32_t isAuto, isDefault, isForced;
360        CHECK(format->findInt32("auto", &isAuto));
361        CHECK(format->findInt32("default", &isDefault));
362        CHECK(format->findInt32("forced", &isForced));
363
364        reply->writeString16(String16(mime.c_str()));
365        reply->writeInt32(isAuto);
366        reply->writeInt32(isDefault);
367        reply->writeInt32(isForced);
368    }
369}
370
371void NuPlayer::onMessageReceived(const sp<AMessage> &msg) {
372    switch (msg->what()) {
373        case kWhatSetDataSource:
374        {
375            ALOGV("kWhatSetDataSource");
376
377            CHECK(mSource == NULL);
378
379            status_t err = OK;
380            sp<RefBase> obj;
381            CHECK(msg->findObject("source", &obj));
382            if (obj != NULL) {
383                mSource = static_cast<Source *>(obj.get());
384            } else {
385                err = UNKNOWN_ERROR;
386            }
387
388            CHECK(mDriver != NULL);
389            sp<NuPlayerDriver> driver = mDriver.promote();
390            if (driver != NULL) {
391                driver->notifySetDataSourceCompleted(err);
392            }
393            break;
394        }
395
396        case kWhatPrepare:
397        {
398            mSource->prepareAsync();
399            break;
400        }
401
402        case kWhatGetTrackInfo:
403        {
404            uint32_t replyID;
405            CHECK(msg->senderAwaitsResponse(&replyID));
406
407            Parcel* reply;
408            CHECK(msg->findPointer("reply", (void**)&reply));
409
410            size_t inbandTracks = 0;
411            if (mSource != NULL) {
412                inbandTracks = mSource->getTrackCount();
413            }
414
415            size_t ccTracks = 0;
416            if (mCCDecoder != NULL) {
417                ccTracks = mCCDecoder->getTrackCount();
418            }
419
420            // total track count
421            reply->writeInt32(inbandTracks + ccTracks);
422
423            // write inband tracks
424            for (size_t i = 0; i < inbandTracks; ++i) {
425                writeTrackInfo(reply, mSource->getTrackInfo(i));
426            }
427
428            // write CC track
429            for (size_t i = 0; i < ccTracks; ++i) {
430                writeTrackInfo(reply, mCCDecoder->getTrackInfo(i));
431            }
432
433            sp<AMessage> response = new AMessage;
434            response->postReply(replyID);
435            break;
436        }
437
438        case kWhatGetSelectedTrack:
439        {
440            status_t err = INVALID_OPERATION;
441            if (mSource != NULL) {
442                err = OK;
443
444                int32_t type32;
445                CHECK(msg->findInt32("type", (int32_t*)&type32));
446                media_track_type type = (media_track_type)type32;
447                ssize_t selectedTrack = mSource->getSelectedTrack(type);
448
449                Parcel* reply;
450                CHECK(msg->findPointer("reply", (void**)&reply));
451                reply->writeInt32(selectedTrack);
452            }
453
454            sp<AMessage> response = new AMessage;
455            response->setInt32("err", err);
456
457            uint32_t replyID;
458            CHECK(msg->senderAwaitsResponse(&replyID));
459            response->postReply(replyID);
460            break;
461        }
462
463        case kWhatSelectTrack:
464        {
465            uint32_t replyID;
466            CHECK(msg->senderAwaitsResponse(&replyID));
467
468            size_t trackIndex;
469            int32_t select;
470            int64_t timeUs;
471            CHECK(msg->findSize("trackIndex", &trackIndex));
472            CHECK(msg->findInt32("select", &select));
473            CHECK(msg->findInt64("timeUs", &timeUs));
474
475            status_t err = INVALID_OPERATION;
476
477            size_t inbandTracks = 0;
478            if (mSource != NULL) {
479                inbandTracks = mSource->getTrackCount();
480            }
481            size_t ccTracks = 0;
482            if (mCCDecoder != NULL) {
483                ccTracks = mCCDecoder->getTrackCount();
484            }
485
486            if (trackIndex < inbandTracks) {
487                err = mSource->selectTrack(trackIndex, select, timeUs);
488
489                if (!select && err == OK) {
490                    int32_t type;
491                    sp<AMessage> info = mSource->getTrackInfo(trackIndex);
492                    if (info != NULL
493                            && info->findInt32("type", &type)
494                            && type == MEDIA_TRACK_TYPE_TIMEDTEXT) {
495                        ++mTimedTextGeneration;
496                    }
497                }
498            } else {
499                trackIndex -= inbandTracks;
500
501                if (trackIndex < ccTracks) {
502                    err = mCCDecoder->selectTrack(trackIndex, select);
503                }
504            }
505
506            sp<AMessage> response = new AMessage;
507            response->setInt32("err", err);
508
509            response->postReply(replyID);
510            break;
511        }
512
513        case kWhatPollDuration:
514        {
515            int32_t generation;
516            CHECK(msg->findInt32("generation", &generation));
517
518            if (generation != mPollDurationGeneration) {
519                // stale
520                break;
521            }
522
523            int64_t durationUs;
524            if (mDriver != NULL && mSource->getDuration(&durationUs) == OK) {
525                sp<NuPlayerDriver> driver = mDriver.promote();
526                if (driver != NULL) {
527                    driver->notifyDuration(durationUs);
528                }
529            }
530
531            msg->post(1000000ll);  // poll again in a second.
532            break;
533        }
534
535        case kWhatSetVideoNativeWindow:
536        {
537            ALOGV("kWhatSetVideoNativeWindow");
538
539            sp<RefBase> obj;
540            CHECK(msg->findObject("native-window", &obj));
541
542            if (mSource == NULL || mSource->getFormat(false /* audio */) == NULL) {
543                performSetSurface(static_cast<NativeWindowWrapper *>(obj.get()));
544                break;
545            }
546
547            mDeferredActions.push_back(
548                    new FlushDecoderAction(FLUSH_CMD_FLUSH /* audio */,
549                                           FLUSH_CMD_SHUTDOWN /* video */));
550
551            mDeferredActions.push_back(
552                    new SetSurfaceAction(
553                        static_cast<NativeWindowWrapper *>(obj.get())));
554
555            if (obj != NULL) {
556                if (mStarted) {
557                    // Issue a seek to refresh the video screen only if started otherwise
558                    // the extractor may not yet be started and will assert.
559                    // If the video decoder is not set (perhaps audio only in this case)
560                    // do not perform a seek as it is not needed.
561                    int64_t currentPositionUs = 0;
562                    if (getCurrentPosition(&currentPositionUs) == OK) {
563                        mDeferredActions.push_back(
564                                new SeekAction(currentPositionUs, false /* needNotify */));
565                    }
566                }
567
568                // If there is a new surface texture, instantiate decoders
569                // again if possible.
570                mDeferredActions.push_back(
571                        new SimpleAction(&NuPlayer::performScanSources));
572            }
573
574            // After a flush without shutdown, decoder is paused.
575            // Don't resume it until source seek is done, otherwise it could
576            // start pulling stale data too soon.
577            mDeferredActions.push_back(
578                    new ResumeDecoderAction(false /* needNotify */));
579
580            processDeferredActions();
581            break;
582        }
583
584        case kWhatSetAudioSink:
585        {
586            ALOGV("kWhatSetAudioSink");
587
588            sp<RefBase> obj;
589            CHECK(msg->findObject("sink", &obj));
590
591            mAudioSink = static_cast<MediaPlayerBase::AudioSink *>(obj.get());
592            break;
593        }
594
595        case kWhatStart:
596        {
597            ALOGV("kWhatStart");
598            if (mStarted) {
599                onResume();
600            } else {
601                onStart();
602            }
603            mPausedByClient = false;
604            break;
605        }
606
607        case kWhatScanSources:
608        {
609            int32_t generation;
610            CHECK(msg->findInt32("generation", &generation));
611            if (generation != mScanSourcesGeneration) {
612                // Drop obsolete msg.
613                break;
614            }
615
616            mScanSourcesPending = false;
617
618            ALOGV("scanning sources haveAudio=%d, haveVideo=%d",
619                 mAudioDecoder != NULL, mVideoDecoder != NULL);
620
621            bool mHadAnySourcesBefore =
622                (mAudioDecoder != NULL) || (mVideoDecoder != NULL);
623
624            // initialize video before audio because successful initialization of
625            // video may change deep buffer mode of audio.
626            if (mNativeWindow != NULL) {
627                instantiateDecoder(false, &mVideoDecoder);
628            }
629
630            // Don't try to re-open audio sink if there's an existing decoder.
631            if (mAudioSink != NULL && mAudioDecoder == NULL) {
632                sp<MetaData> audioMeta = mSource->getFormatMeta(true /* audio */);
633                sp<AMessage> videoFormat = mSource->getFormat(false /* audio */);
634                audio_stream_type_t streamType = mAudioSink->getAudioStreamType();
635                const bool hasVideo = (videoFormat != NULL);
636                const bool canOffload = canOffloadStream(
637                        audioMeta, hasVideo, true /* is_streaming */, streamType);
638                if (canOffload) {
639                    if (!mOffloadAudio) {
640                        mRenderer->signalEnableOffloadAudio();
641                    }
642                    // open audio sink early under offload mode.
643                    sp<AMessage> format = mSource->getFormat(true /*audio*/);
644                    tryOpenAudioSinkForOffload(format, hasVideo);
645                }
646                instantiateDecoder(true, &mAudioDecoder);
647            }
648
649            if (!mHadAnySourcesBefore
650                    && (mAudioDecoder != NULL || mVideoDecoder != NULL)) {
651                // This is the first time we've found anything playable.
652
653                if (mSourceFlags & Source::FLAG_DYNAMIC_DURATION) {
654                    schedulePollDuration();
655                }
656            }
657
658            status_t err;
659            if ((err = mSource->feedMoreTSData()) != OK) {
660                if (mAudioDecoder == NULL && mVideoDecoder == NULL) {
661                    // We're not currently decoding anything (no audio or
662                    // video tracks found) and we just ran out of input data.
663
664                    if (err == ERROR_END_OF_STREAM) {
665                        notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0);
666                    } else {
667                        notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
668                    }
669                }
670                break;
671            }
672
673            if ((mAudioDecoder == NULL && mAudioSink != NULL)
674                    || (mVideoDecoder == NULL && mNativeWindow != NULL)) {
675                msg->post(100000ll);
676                mScanSourcesPending = true;
677            }
678            break;
679        }
680
681        case kWhatVideoNotify:
682        case kWhatAudioNotify:
683        {
684            bool audio = msg->what() == kWhatAudioNotify;
685
686            int32_t currentDecoderGeneration =
687                (audio? mAudioDecoderGeneration : mVideoDecoderGeneration);
688            int32_t requesterGeneration = currentDecoderGeneration - 1;
689            CHECK(msg->findInt32("generation", &requesterGeneration));
690
691            if (requesterGeneration != currentDecoderGeneration) {
692                ALOGV("got message from old %s decoder, generation(%d:%d)",
693                        audio ? "audio" : "video", requesterGeneration,
694                        currentDecoderGeneration);
695                sp<AMessage> reply;
696                if (!(msg->findMessage("reply", &reply))) {
697                    return;
698                }
699
700                reply->setInt32("err", INFO_DISCONTINUITY);
701                reply->post();
702                return;
703            }
704
705            int32_t what;
706            CHECK(msg->findInt32("what", &what));
707
708            if (what == DecoderBase::kWhatInputDiscontinuity) {
709                int32_t formatChange;
710                CHECK(msg->findInt32("formatChange", &formatChange));
711
712                ALOGV("%s discontinuity: formatChange %d",
713                        audio ? "audio" : "video", formatChange);
714
715                if (formatChange) {
716                    mDeferredActions.push_back(
717                            new FlushDecoderAction(
718                                audio ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE,
719                                audio ? FLUSH_CMD_NONE : FLUSH_CMD_SHUTDOWN));
720                }
721
722                mDeferredActions.push_back(
723                        new SimpleAction(
724                                &NuPlayer::performScanSources));
725
726                processDeferredActions();
727            } else if (what == DecoderBase::kWhatEOS) {
728                int32_t err;
729                CHECK(msg->findInt32("err", &err));
730
731                if (err == ERROR_END_OF_STREAM) {
732                    ALOGV("got %s decoder EOS", audio ? "audio" : "video");
733                } else {
734                    ALOGV("got %s decoder EOS w/ error %d",
735                         audio ? "audio" : "video",
736                         err);
737                }
738
739                mRenderer->queueEOS(audio, err);
740            } else if (what == DecoderBase::kWhatFlushCompleted) {
741                ALOGV("decoder %s flush completed", audio ? "audio" : "video");
742
743                handleFlushComplete(audio, true /* isDecoder */);
744                finishFlushIfPossible();
745            } else if (what == DecoderBase::kWhatVideoSizeChanged) {
746                sp<AMessage> format;
747                CHECK(msg->findMessage("format", &format));
748
749                sp<AMessage> inputFormat =
750                        mSource->getFormat(false /* audio */);
751
752                updateVideoSize(inputFormat, format);
753            } else if (what == DecoderBase::kWhatShutdownCompleted) {
754                ALOGV("%s shutdown completed", audio ? "audio" : "video");
755                if (audio) {
756                    mAudioDecoder.clear();
757                    ++mAudioDecoderGeneration;
758
759                    CHECK_EQ((int)mFlushingAudio, (int)SHUTTING_DOWN_DECODER);
760                    mFlushingAudio = SHUT_DOWN;
761                } else {
762                    mVideoDecoder.clear();
763                    ++mVideoDecoderGeneration;
764
765                    CHECK_EQ((int)mFlushingVideo, (int)SHUTTING_DOWN_DECODER);
766                    mFlushingVideo = SHUT_DOWN;
767                }
768
769                finishFlushIfPossible();
770            } else if (what == DecoderBase::kWhatResumeCompleted) {
771                finishResume();
772            } else if (what == DecoderBase::kWhatError) {
773                status_t err;
774                if (!msg->findInt32("err", &err) || err == OK) {
775                    err = UNKNOWN_ERROR;
776                }
777
778                // Decoder errors can be due to Source (e.g. from streaming),
779                // or from decoding corrupted bitstreams, or from other decoder
780                // MediaCodec operations (e.g. from an ongoing reset or seek).
781                // They may also be due to openAudioSink failure at
782                // decoder start or after a format change.
783                //
784                // We try to gracefully shut down the affected decoder if possible,
785                // rather than trying to force the shutdown with something
786                // similar to performReset(). This method can lead to a hang
787                // if MediaCodec functions block after an error, but they should
788                // typically return INVALID_OPERATION instead of blocking.
789
790                FlushStatus *flushing = audio ? &mFlushingAudio : &mFlushingVideo;
791                ALOGE("received error(%#x) from %s decoder, flushing(%d), now shutting down",
792                        err, audio ? "audio" : "video", *flushing);
793
794                switch (*flushing) {
795                    case NONE:
796                        mDeferredActions.push_back(
797                                new FlushDecoderAction(
798                                    audio ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE,
799                                    audio ? FLUSH_CMD_NONE : FLUSH_CMD_SHUTDOWN));
800                        processDeferredActions();
801                        break;
802                    case FLUSHING_DECODER:
803                        *flushing = FLUSHING_DECODER_SHUTDOWN; // initiate shutdown after flush.
804                        break; // Wait for flush to complete.
805                    case FLUSHING_DECODER_SHUTDOWN:
806                        break; // Wait for flush to complete.
807                    case SHUTTING_DOWN_DECODER:
808                        break; // Wait for shutdown to complete.
809                    case FLUSHED:
810                        // Widevine source reads must stop before releasing the video decoder.
811                        if (!audio && mSource != NULL && mSourceFlags & Source::FLAG_SECURE) {
812                            mSource->stop();
813                        }
814                        getDecoder(audio)->initiateShutdown(); // In the middle of a seek.
815                        *flushing = SHUTTING_DOWN_DECODER;     // Shut down.
816                        break;
817                    case SHUT_DOWN:
818                        finishFlushIfPossible();  // Should not occur.
819                        break;                    // Finish anyways.
820                }
821                notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
822            } else {
823                ALOGV("Unhandled decoder notification %d '%c%c%c%c'.",
824                      what,
825                      what >> 24,
826                      (what >> 16) & 0xff,
827                      (what >> 8) & 0xff,
828                      what & 0xff);
829            }
830
831            break;
832        }
833
834        case kWhatRendererNotify:
835        {
836            int32_t requesterGeneration = mRendererGeneration - 1;
837            CHECK(msg->findInt32("generation", &requesterGeneration));
838            if (requesterGeneration != mRendererGeneration) {
839                ALOGV("got message from old renderer, generation(%d:%d)",
840                        requesterGeneration, mRendererGeneration);
841                return;
842            }
843
844            int32_t what;
845            CHECK(msg->findInt32("what", &what));
846
847            if (what == Renderer::kWhatEOS) {
848                int32_t audio;
849                CHECK(msg->findInt32("audio", &audio));
850
851                int32_t finalResult;
852                CHECK(msg->findInt32("finalResult", &finalResult));
853
854                if (audio) {
855                    mAudioEOS = true;
856                } else {
857                    mVideoEOS = true;
858                }
859
860                if (finalResult == ERROR_END_OF_STREAM) {
861                    ALOGV("reached %s EOS", audio ? "audio" : "video");
862                } else {
863                    ALOGE("%s track encountered an error (%d)",
864                         audio ? "audio" : "video", finalResult);
865
866                    notifyListener(
867                            MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, finalResult);
868                }
869
870                if ((mAudioEOS || mAudioDecoder == NULL)
871                        && (mVideoEOS || mVideoDecoder == NULL)) {
872                    notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0);
873                }
874            } else if (what == Renderer::kWhatFlushComplete) {
875                int32_t audio;
876                CHECK(msg->findInt32("audio", &audio));
877
878                ALOGV("renderer %s flush completed.", audio ? "audio" : "video");
879                handleFlushComplete(audio, false /* isDecoder */);
880                finishFlushIfPossible();
881            } else if (what == Renderer::kWhatVideoRenderingStart) {
882                notifyListener(MEDIA_INFO, MEDIA_INFO_RENDERING_START, 0);
883            } else if (what == Renderer::kWhatMediaRenderingStart) {
884                ALOGV("media rendering started");
885                notifyListener(MEDIA_STARTED, 0, 0);
886            } else if (what == Renderer::kWhatAudioOffloadTearDown) {
887                ALOGV("Tear down audio offload, fall back to s/w path if due to error.");
888                int64_t positionUs;
889                CHECK(msg->findInt64("positionUs", &positionUs));
890                int32_t reason;
891                CHECK(msg->findInt32("reason", &reason));
892                closeAudioSink();
893                mAudioDecoder.clear();
894                ++mAudioDecoderGeneration;
895                mRenderer->flush(
896                        true /* audio */, false /* notifyComplete */);
897                if (mVideoDecoder != NULL) {
898                    mRenderer->flush(
899                            false /* audio */, false /* notifyComplete */);
900                }
901
902                performSeek(positionUs, false /* needNotify */);
903                if (reason == Renderer::kDueToError) {
904                    mRenderer->signalDisableOffloadAudio();
905                    mOffloadAudio = false;
906                    instantiateDecoder(true /* audio */, &mAudioDecoder);
907                }
908            }
909            break;
910        }
911
912        case kWhatMoreDataQueued:
913        {
914            break;
915        }
916
917        case kWhatReset:
918        {
919            ALOGV("kWhatReset");
920
921            mDeferredActions.push_back(
922                    new FlushDecoderAction(
923                        FLUSH_CMD_SHUTDOWN /* audio */,
924                        FLUSH_CMD_SHUTDOWN /* video */));
925
926            mDeferredActions.push_back(
927                    new SimpleAction(&NuPlayer::performReset));
928
929            processDeferredActions();
930            break;
931        }
932
933        case kWhatSeek:
934        {
935            int64_t seekTimeUs;
936            int32_t needNotify;
937            CHECK(msg->findInt64("seekTimeUs", &seekTimeUs));
938            CHECK(msg->findInt32("needNotify", &needNotify));
939
940            ALOGV("kWhatSeek seekTimeUs=%lld us, needNotify=%d",
941                    seekTimeUs, needNotify);
942
943            mDeferredActions.push_back(
944                    new FlushDecoderAction(FLUSH_CMD_FLUSH /* audio */,
945                                           FLUSH_CMD_FLUSH /* video */));
946
947            mDeferredActions.push_back(
948                    new SeekAction(seekTimeUs, needNotify));
949
950            // After a flush without shutdown, decoder is paused.
951            // Don't resume it until source seek is done, otherwise it could
952            // start pulling stale data too soon.
953            mDeferredActions.push_back(
954                    new ResumeDecoderAction(needNotify));
955
956            processDeferredActions();
957            break;
958        }
959
960        case kWhatPause:
961        {
962            onPause();
963            mPausedByClient = true;
964            break;
965        }
966
967        case kWhatSourceNotify:
968        {
969            onSourceNotify(msg);
970            break;
971        }
972
973        case kWhatClosedCaptionNotify:
974        {
975            onClosedCaptionNotify(msg);
976            break;
977        }
978
979        default:
980            TRESPASS();
981            break;
982    }
983}
984
985void NuPlayer::onResume() {
986    if (!mPaused) {
987        return;
988    }
989    mPaused = false;
990    if (mSource != NULL) {
991        mSource->resume();
992    } else {
993        ALOGW("resume called when source is gone or not set");
994    }
995    // |mAudioDecoder| may have been released due to the pause timeout, so re-create it if
996    // needed.
997    if (audioDecoderStillNeeded() && mAudioDecoder == NULL) {
998        instantiateDecoder(true /* audio */, &mAudioDecoder);
999    }
1000    if (mRenderer != NULL) {
1001        mRenderer->resume();
1002    } else {
1003        ALOGW("resume called when renderer is gone or not set");
1004    }
1005}
1006
1007void NuPlayer::onStart() {
1008    mOffloadAudio = false;
1009    mAudioEOS = false;
1010    mVideoEOS = false;
1011    mStarted = true;
1012
1013    /* instantiate decoders now for secure playback */
1014    if (mSourceFlags & Source::FLAG_SECURE) {
1015        if (mNativeWindow != NULL) {
1016            instantiateDecoder(false, &mVideoDecoder);
1017        }
1018
1019        if (mAudioSink != NULL) {
1020            instantiateDecoder(true, &mAudioDecoder);
1021        }
1022    }
1023
1024    mSource->start();
1025
1026    uint32_t flags = 0;
1027
1028    if (mSource->isRealTime()) {
1029        flags |= Renderer::FLAG_REAL_TIME;
1030    }
1031
1032    sp<MetaData> audioMeta = mSource->getFormatMeta(true /* audio */);
1033    audio_stream_type_t streamType = AUDIO_STREAM_MUSIC;
1034    if (mAudioSink != NULL) {
1035        streamType = mAudioSink->getAudioStreamType();
1036    }
1037
1038    sp<AMessage> videoFormat = mSource->getFormat(false /* audio */);
1039
1040    mOffloadAudio =
1041        canOffloadStream(audioMeta, (videoFormat != NULL),
1042                         true /* is_streaming */, streamType);
1043    if (mOffloadAudio) {
1044        flags |= Renderer::FLAG_OFFLOAD_AUDIO;
1045    }
1046
1047    sp<AMessage> notify = new AMessage(kWhatRendererNotify, id());
1048    ++mRendererGeneration;
1049    notify->setInt32("generation", mRendererGeneration);
1050    mRenderer = new Renderer(mAudioSink, notify, flags);
1051
1052    mRendererLooper = new ALooper;
1053    mRendererLooper->setName("NuPlayerRenderer");
1054    mRendererLooper->start(false, false, ANDROID_PRIORITY_AUDIO);
1055    mRendererLooper->registerHandler(mRenderer);
1056
1057    sp<MetaData> meta = getFileMeta();
1058    int32_t rate;
1059    if (meta != NULL
1060            && meta->findInt32(kKeyFrameRate, &rate) && rate > 0) {
1061        mRenderer->setVideoFrameRate(rate);
1062    }
1063
1064    if (mVideoDecoder != NULL) {
1065        mVideoDecoder->setRenderer(mRenderer);
1066    }
1067    if (mAudioDecoder != NULL) {
1068        mAudioDecoder->setRenderer(mRenderer);
1069    }
1070
1071    postScanSources();
1072}
1073
1074void NuPlayer::onPause() {
1075    if (mPaused) {
1076        return;
1077    }
1078    mPaused = true;
1079    if (mSource != NULL) {
1080        mSource->pause();
1081    } else {
1082        ALOGW("pause called when source is gone or not set");
1083    }
1084    if (mRenderer != NULL) {
1085        mRenderer->pause();
1086    } else {
1087        ALOGW("pause called when renderer is gone or not set");
1088    }
1089}
1090
1091bool NuPlayer::audioDecoderStillNeeded() {
1092    // Audio decoder is no longer needed if it's in shut/shutting down status.
1093    return ((mFlushingAudio != SHUT_DOWN) && (mFlushingAudio != SHUTTING_DOWN_DECODER));
1094}
1095
1096void NuPlayer::handleFlushComplete(bool audio, bool isDecoder) {
1097    // We wait for both the decoder flush and the renderer flush to complete
1098    // before entering either the FLUSHED or the SHUTTING_DOWN_DECODER state.
1099
1100    mFlushComplete[audio][isDecoder] = true;
1101    if (!mFlushComplete[audio][!isDecoder]) {
1102        return;
1103    }
1104
1105    FlushStatus *state = audio ? &mFlushingAudio : &mFlushingVideo;
1106    switch (*state) {
1107        case FLUSHING_DECODER:
1108        {
1109            *state = FLUSHED;
1110            break;
1111        }
1112
1113        case FLUSHING_DECODER_SHUTDOWN:
1114        {
1115            *state = SHUTTING_DOWN_DECODER;
1116
1117            ALOGV("initiating %s decoder shutdown", audio ? "audio" : "video");
1118            if (!audio) {
1119                // Widevine source reads must stop before releasing the video decoder.
1120                if (mSource != NULL && mSourceFlags & Source::FLAG_SECURE) {
1121                    mSource->stop();
1122                }
1123            }
1124            getDecoder(audio)->initiateShutdown();
1125            break;
1126        }
1127
1128        default:
1129            // decoder flush completes only occur in a flushing state.
1130            LOG_ALWAYS_FATAL_IF(isDecoder, "decoder flush in invalid state %d", *state);
1131            break;
1132    }
1133}
1134
1135void NuPlayer::finishFlushIfPossible() {
1136    if (mFlushingAudio != NONE && mFlushingAudio != FLUSHED
1137            && mFlushingAudio != SHUT_DOWN) {
1138        return;
1139    }
1140
1141    if (mFlushingVideo != NONE && mFlushingVideo != FLUSHED
1142            && mFlushingVideo != SHUT_DOWN) {
1143        return;
1144    }
1145
1146    ALOGV("both audio and video are flushed now.");
1147
1148    mFlushingAudio = NONE;
1149    mFlushingVideo = NONE;
1150
1151    clearFlushComplete();
1152
1153    processDeferredActions();
1154}
1155
1156void NuPlayer::postScanSources() {
1157    if (mScanSourcesPending) {
1158        return;
1159    }
1160
1161    sp<AMessage> msg = new AMessage(kWhatScanSources, id());
1162    msg->setInt32("generation", mScanSourcesGeneration);
1163    msg->post();
1164
1165    mScanSourcesPending = true;
1166}
1167
1168void NuPlayer::tryOpenAudioSinkForOffload(const sp<AMessage> &format, bool hasVideo) {
1169    // Note: This is called early in NuPlayer to determine whether offloading
1170    // is possible; otherwise the decoders call the renderer openAudioSink directly.
1171
1172    status_t err = mRenderer->openAudioSink(
1173            format, true /* offloadOnly */, hasVideo, AUDIO_OUTPUT_FLAG_NONE, &mOffloadAudio);
1174    if (err != OK) {
1175        // Any failure we turn off mOffloadAudio.
1176        mOffloadAudio = false;
1177    } else if (mOffloadAudio) {
1178        sp<MetaData> audioMeta =
1179                mSource->getFormatMeta(true /* audio */);
1180        sendMetaDataToHal(mAudioSink, audioMeta);
1181    }
1182}
1183
1184void NuPlayer::closeAudioSink() {
1185    mRenderer->closeAudioSink();
1186}
1187
1188status_t NuPlayer::instantiateDecoder(bool audio, sp<DecoderBase> *decoder) {
1189    if (*decoder != NULL) {
1190        return OK;
1191    }
1192
1193    sp<AMessage> format = mSource->getFormat(audio);
1194
1195    if (format == NULL) {
1196        return -EWOULDBLOCK;
1197    }
1198
1199    if (!audio) {
1200        AString mime;
1201        CHECK(format->findString("mime", &mime));
1202
1203        sp<AMessage> ccNotify = new AMessage(kWhatClosedCaptionNotify, id());
1204        mCCDecoder = new CCDecoder(ccNotify);
1205
1206        if (mSourceFlags & Source::FLAG_SECURE) {
1207            format->setInt32("secure", true);
1208        }
1209
1210        if (mSourceFlags & Source::FLAG_PROTECTED) {
1211            format->setInt32("protected", true);
1212        }
1213    }
1214
1215    if (audio) {
1216        sp<AMessage> notify = new AMessage(kWhatAudioNotify, id());
1217        ++mAudioDecoderGeneration;
1218        notify->setInt32("generation", mAudioDecoderGeneration);
1219
1220        if (mOffloadAudio) {
1221            *decoder = new DecoderPassThrough(notify, mSource, mRenderer);
1222        } else {
1223            *decoder = new Decoder(notify, mSource, mRenderer);
1224        }
1225    } else {
1226        sp<AMessage> notify = new AMessage(kWhatVideoNotify, id());
1227        ++mVideoDecoderGeneration;
1228        notify->setInt32("generation", mVideoDecoderGeneration);
1229
1230        *decoder = new Decoder(
1231                notify, mSource, mRenderer, mNativeWindow, mCCDecoder);
1232
1233        // enable FRC if high-quality AV sync is requested, even if not
1234        // queuing to native window, as this will even improve textureview
1235        // playback.
1236        {
1237            char value[PROPERTY_VALUE_MAX];
1238            if (property_get("persist.sys.media.avsync", value, NULL) &&
1239                    (!strcmp("1", value) || !strcasecmp("true", value))) {
1240                format->setInt32("auto-frc", 1);
1241            }
1242        }
1243    }
1244    (*decoder)->init();
1245    (*decoder)->configure(format);
1246
1247    // allocate buffers to decrypt widevine source buffers
1248    if (!audio && (mSourceFlags & Source::FLAG_SECURE)) {
1249        Vector<sp<ABuffer> > inputBufs;
1250        CHECK_EQ((*decoder)->getInputBuffers(&inputBufs), (status_t)OK);
1251
1252        Vector<MediaBuffer *> mediaBufs;
1253        for (size_t i = 0; i < inputBufs.size(); i++) {
1254            const sp<ABuffer> &buffer = inputBufs[i];
1255            MediaBuffer *mbuf = new MediaBuffer(buffer->data(), buffer->size());
1256            mediaBufs.push(mbuf);
1257        }
1258
1259        status_t err = mSource->setBuffers(audio, mediaBufs);
1260        if (err != OK) {
1261            for (size_t i = 0; i < mediaBufs.size(); ++i) {
1262                mediaBufs[i]->release();
1263            }
1264            mediaBufs.clear();
1265            ALOGE("Secure source didn't support secure mediaBufs.");
1266            return err;
1267        }
1268    }
1269    return OK;
1270}
1271
1272void NuPlayer::updateVideoSize(
1273        const sp<AMessage> &inputFormat,
1274        const sp<AMessage> &outputFormat) {
1275    if (inputFormat == NULL) {
1276        ALOGW("Unknown video size, reporting 0x0!");
1277        notifyListener(MEDIA_SET_VIDEO_SIZE, 0, 0);
1278        return;
1279    }
1280
1281    int32_t displayWidth, displayHeight;
1282    int32_t cropLeft, cropTop, cropRight, cropBottom;
1283
1284    if (outputFormat != NULL) {
1285        int32_t width, height;
1286        CHECK(outputFormat->findInt32("width", &width));
1287        CHECK(outputFormat->findInt32("height", &height));
1288
1289        int32_t cropLeft, cropTop, cropRight, cropBottom;
1290        CHECK(outputFormat->findRect(
1291                    "crop",
1292                    &cropLeft, &cropTop, &cropRight, &cropBottom));
1293
1294        displayWidth = cropRight - cropLeft + 1;
1295        displayHeight = cropBottom - cropTop + 1;
1296
1297        ALOGV("Video output format changed to %d x %d "
1298             "(crop: %d x %d @ (%d, %d))",
1299             width, height,
1300             displayWidth,
1301             displayHeight,
1302             cropLeft, cropTop);
1303    } else {
1304        CHECK(inputFormat->findInt32("width", &displayWidth));
1305        CHECK(inputFormat->findInt32("height", &displayHeight));
1306
1307        ALOGV("Video input format %d x %d", displayWidth, displayHeight);
1308    }
1309
1310    // Take into account sample aspect ratio if necessary:
1311    int32_t sarWidth, sarHeight;
1312    if (inputFormat->findInt32("sar-width", &sarWidth)
1313            && inputFormat->findInt32("sar-height", &sarHeight)) {
1314        ALOGV("Sample aspect ratio %d : %d", sarWidth, sarHeight);
1315
1316        displayWidth = (displayWidth * sarWidth) / sarHeight;
1317
1318        ALOGV("display dimensions %d x %d", displayWidth, displayHeight);
1319    }
1320
1321    int32_t rotationDegrees;
1322    if (!inputFormat->findInt32("rotation-degrees", &rotationDegrees)) {
1323        rotationDegrees = 0;
1324    }
1325
1326    if (rotationDegrees == 90 || rotationDegrees == 270) {
1327        int32_t tmp = displayWidth;
1328        displayWidth = displayHeight;
1329        displayHeight = tmp;
1330    }
1331
1332    notifyListener(
1333            MEDIA_SET_VIDEO_SIZE,
1334            displayWidth,
1335            displayHeight);
1336}
1337
1338void NuPlayer::notifyListener(int msg, int ext1, int ext2, const Parcel *in) {
1339    if (mDriver == NULL) {
1340        return;
1341    }
1342
1343    sp<NuPlayerDriver> driver = mDriver.promote();
1344
1345    if (driver == NULL) {
1346        return;
1347    }
1348
1349    driver->notifyListener(msg, ext1, ext2, in);
1350}
1351
1352void NuPlayer::flushDecoder(bool audio, bool needShutdown) {
1353    ALOGV("[%s] flushDecoder needShutdown=%d",
1354          audio ? "audio" : "video", needShutdown);
1355
1356    const sp<DecoderBase> &decoder = getDecoder(audio);
1357    if (decoder == NULL) {
1358        ALOGI("flushDecoder %s without decoder present",
1359             audio ? "audio" : "video");
1360        return;
1361    }
1362
1363    // Make sure we don't continue to scan sources until we finish flushing.
1364    ++mScanSourcesGeneration;
1365    mScanSourcesPending = false;
1366
1367    decoder->signalFlush();
1368
1369    FlushStatus newStatus =
1370        needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER;
1371
1372    mFlushComplete[audio][false /* isDecoder */] = false;
1373    mFlushComplete[audio][true /* isDecoder */] = false;
1374    if (audio) {
1375        ALOGE_IF(mFlushingAudio != NONE,
1376                "audio flushDecoder() is called in state %d", mFlushingAudio);
1377        mFlushingAudio = newStatus;
1378    } else {
1379        ALOGE_IF(mFlushingVideo != NONE,
1380                "video flushDecoder() is called in state %d", mFlushingVideo);
1381        mFlushingVideo = newStatus;
1382    }
1383}
1384
1385void NuPlayer::queueDecoderShutdown(
1386        bool audio, bool video, const sp<AMessage> &reply) {
1387    ALOGI("queueDecoderShutdown audio=%d, video=%d", audio, video);
1388
1389    mDeferredActions.push_back(
1390            new FlushDecoderAction(
1391                audio ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE,
1392                video ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE));
1393
1394    mDeferredActions.push_back(
1395            new SimpleAction(&NuPlayer::performScanSources));
1396
1397    mDeferredActions.push_back(new PostMessageAction(reply));
1398
1399    processDeferredActions();
1400}
1401
1402status_t NuPlayer::setVideoScalingMode(int32_t mode) {
1403    mVideoScalingMode = mode;
1404    if (mNativeWindow != NULL) {
1405        status_t ret = native_window_set_scaling_mode(
1406                mNativeWindow->getNativeWindow().get(), mVideoScalingMode);
1407        if (ret != OK) {
1408            ALOGE("Failed to set scaling mode (%d): %s",
1409                -ret, strerror(-ret));
1410            return ret;
1411        }
1412    }
1413    return OK;
1414}
1415
1416status_t NuPlayer::getTrackInfo(Parcel* reply) const {
1417    sp<AMessage> msg = new AMessage(kWhatGetTrackInfo, id());
1418    msg->setPointer("reply", reply);
1419
1420    sp<AMessage> response;
1421    status_t err = msg->postAndAwaitResponse(&response);
1422    return err;
1423}
1424
1425status_t NuPlayer::getSelectedTrack(int32_t type, Parcel* reply) const {
1426    sp<AMessage> msg = new AMessage(kWhatGetSelectedTrack, id());
1427    msg->setPointer("reply", reply);
1428    msg->setInt32("type", type);
1429
1430    sp<AMessage> response;
1431    status_t err = msg->postAndAwaitResponse(&response);
1432    if (err == OK && response != NULL) {
1433        CHECK(response->findInt32("err", &err));
1434    }
1435    return err;
1436}
1437
1438status_t NuPlayer::selectTrack(size_t trackIndex, bool select, int64_t timeUs) {
1439    sp<AMessage> msg = new AMessage(kWhatSelectTrack, id());
1440    msg->setSize("trackIndex", trackIndex);
1441    msg->setInt32("select", select);
1442    msg->setInt64("timeUs", timeUs);
1443
1444    sp<AMessage> response;
1445    status_t err = msg->postAndAwaitResponse(&response);
1446
1447    if (err != OK) {
1448        return err;
1449    }
1450
1451    if (!response->findInt32("err", &err)) {
1452        err = OK;
1453    }
1454
1455    return err;
1456}
1457
1458status_t NuPlayer::getCurrentPosition(int64_t *mediaUs) {
1459    sp<Renderer> renderer = mRenderer;
1460    if (renderer == NULL) {
1461        return NO_INIT;
1462    }
1463
1464    return renderer->getCurrentPosition(mediaUs);
1465}
1466
1467void NuPlayer::getStats(int64_t *numFramesTotal, int64_t *numFramesDropped) {
1468    sp<DecoderBase> decoder = getDecoder(false /* audio */);
1469    if (decoder != NULL) {
1470        decoder->getStats(numFramesTotal, numFramesDropped);
1471    } else {
1472        *numFramesTotal = 0;
1473        *numFramesDropped = 0;
1474    }
1475}
1476
1477sp<MetaData> NuPlayer::getFileMeta() {
1478    return mSource->getFileFormatMeta();
1479}
1480
1481void NuPlayer::schedulePollDuration() {
1482    sp<AMessage> msg = new AMessage(kWhatPollDuration, id());
1483    msg->setInt32("generation", mPollDurationGeneration);
1484    msg->post();
1485}
1486
1487void NuPlayer::cancelPollDuration() {
1488    ++mPollDurationGeneration;
1489}
1490
1491void NuPlayer::processDeferredActions() {
1492    while (!mDeferredActions.empty()) {
1493        // We won't execute any deferred actions until we're no longer in
1494        // an intermediate state, i.e. one more more decoders are currently
1495        // flushing or shutting down.
1496
1497        if (mFlushingAudio != NONE || mFlushingVideo != NONE) {
1498            // We're currently flushing, postpone the reset until that's
1499            // completed.
1500
1501            ALOGV("postponing action mFlushingAudio=%d, mFlushingVideo=%d",
1502                  mFlushingAudio, mFlushingVideo);
1503
1504            break;
1505        }
1506
1507        sp<Action> action = *mDeferredActions.begin();
1508        mDeferredActions.erase(mDeferredActions.begin());
1509
1510        action->execute(this);
1511    }
1512}
1513
1514void NuPlayer::performSeek(int64_t seekTimeUs, bool needNotify) {
1515    ALOGV("performSeek seekTimeUs=%lld us (%.2f secs), needNotify(%d)",
1516          seekTimeUs,
1517          seekTimeUs / 1E6,
1518          needNotify);
1519
1520    if (mSource == NULL) {
1521        // This happens when reset occurs right before the loop mode
1522        // asynchronously seeks to the start of the stream.
1523        LOG_ALWAYS_FATAL_IF(mAudioDecoder != NULL || mVideoDecoder != NULL,
1524                "mSource is NULL and decoders not NULL audio(%p) video(%p)",
1525                mAudioDecoder.get(), mVideoDecoder.get());
1526        return;
1527    }
1528    mSource->seekTo(seekTimeUs);
1529    ++mTimedTextGeneration;
1530
1531    // everything's flushed, continue playback.
1532}
1533
1534void NuPlayer::performDecoderFlush(FlushCommand audio, FlushCommand video) {
1535    ALOGV("performDecoderFlush audio=%d, video=%d", audio, video);
1536
1537    if ((audio == FLUSH_CMD_NONE || mAudioDecoder == NULL)
1538            && (video == FLUSH_CMD_NONE || mVideoDecoder == NULL)) {
1539        return;
1540    }
1541
1542    if (audio != FLUSH_CMD_NONE && mAudioDecoder != NULL) {
1543        flushDecoder(true /* audio */, (audio == FLUSH_CMD_SHUTDOWN));
1544    }
1545
1546    if (video != FLUSH_CMD_NONE && mVideoDecoder != NULL) {
1547        flushDecoder(false /* audio */, (video == FLUSH_CMD_SHUTDOWN));
1548    }
1549}
1550
1551void NuPlayer::performReset() {
1552    ALOGV("performReset");
1553
1554    CHECK(mAudioDecoder == NULL);
1555    CHECK(mVideoDecoder == NULL);
1556
1557    cancelPollDuration();
1558
1559    ++mScanSourcesGeneration;
1560    mScanSourcesPending = false;
1561
1562    if (mRendererLooper != NULL) {
1563        if (mRenderer != NULL) {
1564            mRendererLooper->unregisterHandler(mRenderer->id());
1565        }
1566        mRendererLooper->stop();
1567        mRendererLooper.clear();
1568    }
1569    mRenderer.clear();
1570    ++mRendererGeneration;
1571
1572    if (mSource != NULL) {
1573        mSource->stop();
1574
1575        mSource.clear();
1576    }
1577
1578    if (mDriver != NULL) {
1579        sp<NuPlayerDriver> driver = mDriver.promote();
1580        if (driver != NULL) {
1581            driver->notifyResetComplete();
1582        }
1583    }
1584
1585    mStarted = false;
1586}
1587
1588void NuPlayer::performScanSources() {
1589    ALOGV("performScanSources");
1590
1591    if (!mStarted) {
1592        return;
1593    }
1594
1595    if (mAudioDecoder == NULL || mVideoDecoder == NULL) {
1596        postScanSources();
1597    }
1598}
1599
1600void NuPlayer::performSetSurface(const sp<NativeWindowWrapper> &wrapper) {
1601    ALOGV("performSetSurface");
1602
1603    mNativeWindow = wrapper;
1604
1605    // XXX - ignore error from setVideoScalingMode for now
1606    setVideoScalingMode(mVideoScalingMode);
1607
1608    if (mDriver != NULL) {
1609        sp<NuPlayerDriver> driver = mDriver.promote();
1610        if (driver != NULL) {
1611            driver->notifySetSurfaceComplete();
1612        }
1613    }
1614}
1615
1616void NuPlayer::performResumeDecoders(bool needNotify) {
1617    if (needNotify) {
1618        mResumePending = true;
1619        if (mVideoDecoder == NULL) {
1620            // if audio-only, we can notify seek complete now,
1621            // as the resume operation will be relatively fast.
1622            finishResume();
1623        }
1624    }
1625
1626    if (mVideoDecoder != NULL) {
1627        // When there is continuous seek, MediaPlayer will cache the seek
1628        // position, and send down new seek request when previous seek is
1629        // complete. Let's wait for at least one video output frame before
1630        // notifying seek complete, so that the video thumbnail gets updated
1631        // when seekbar is dragged.
1632        mVideoDecoder->signalResume(needNotify);
1633    }
1634
1635    if (mAudioDecoder != NULL) {
1636        mAudioDecoder->signalResume(false /* needNotify */);
1637    }
1638}
1639
1640void NuPlayer::finishResume() {
1641    if (mResumePending) {
1642        mResumePending = false;
1643        if (mDriver != NULL) {
1644            sp<NuPlayerDriver> driver = mDriver.promote();
1645            if (driver != NULL) {
1646                driver->notifySeekComplete();
1647            }
1648        }
1649    }
1650}
1651
1652void NuPlayer::onSourceNotify(const sp<AMessage> &msg) {
1653    int32_t what;
1654    CHECK(msg->findInt32("what", &what));
1655
1656    switch (what) {
1657        case Source::kWhatPrepared:
1658        {
1659            if (mSource == NULL) {
1660                // This is a stale notification from a source that was
1661                // asynchronously preparing when the client called reset().
1662                // We handled the reset, the source is gone.
1663                break;
1664            }
1665
1666            int32_t err;
1667            CHECK(msg->findInt32("err", &err));
1668
1669            sp<NuPlayerDriver> driver = mDriver.promote();
1670            if (driver != NULL) {
1671                // notify duration first, so that it's definitely set when
1672                // the app received the "prepare complete" callback.
1673                int64_t durationUs;
1674                if (mSource->getDuration(&durationUs) == OK) {
1675                    driver->notifyDuration(durationUs);
1676                }
1677                driver->notifyPrepareCompleted(err);
1678            }
1679
1680            break;
1681        }
1682
1683        case Source::kWhatFlagsChanged:
1684        {
1685            uint32_t flags;
1686            CHECK(msg->findInt32("flags", (int32_t *)&flags));
1687
1688            sp<NuPlayerDriver> driver = mDriver.promote();
1689            if (driver != NULL) {
1690                if ((flags & NuPlayer::Source::FLAG_CAN_SEEK) == 0) {
1691                    driver->notifyListener(
1692                            MEDIA_INFO, MEDIA_INFO_NOT_SEEKABLE, 0);
1693                }
1694                driver->notifyFlagsChanged(flags);
1695            }
1696
1697            if ((mSourceFlags & Source::FLAG_DYNAMIC_DURATION)
1698                    && (!(flags & Source::FLAG_DYNAMIC_DURATION))) {
1699                cancelPollDuration();
1700            } else if (!(mSourceFlags & Source::FLAG_DYNAMIC_DURATION)
1701                    && (flags & Source::FLAG_DYNAMIC_DURATION)
1702                    && (mAudioDecoder != NULL || mVideoDecoder != NULL)) {
1703                schedulePollDuration();
1704            }
1705
1706            mSourceFlags = flags;
1707            break;
1708        }
1709
1710        case Source::kWhatVideoSizeChanged:
1711        {
1712            sp<AMessage> format;
1713            CHECK(msg->findMessage("format", &format));
1714
1715            updateVideoSize(format);
1716            break;
1717        }
1718
1719        case Source::kWhatBufferingUpdate:
1720        {
1721            int32_t percentage;
1722            CHECK(msg->findInt32("percentage", &percentage));
1723
1724            notifyListener(MEDIA_BUFFERING_UPDATE, percentage, 0);
1725            break;
1726        }
1727
1728        case Source::kWhatPauseOnBufferingStart:
1729        {
1730            // ignore if not playing
1731            if (mStarted && !mPausedByClient) {
1732                ALOGI("buffer low, pausing...");
1733
1734                onPause();
1735            }
1736            // fall-thru
1737        }
1738
1739        case Source::kWhatBufferingStart:
1740        {
1741            notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_START, 0);
1742            break;
1743        }
1744
1745        case Source::kWhatResumeOnBufferingEnd:
1746        {
1747            // ignore if not playing
1748            if (mStarted && !mPausedByClient) {
1749                ALOGI("buffer ready, resuming...");
1750
1751                onResume();
1752            }
1753            // fall-thru
1754        }
1755
1756        case Source::kWhatBufferingEnd:
1757        {
1758            notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_END, 0);
1759            break;
1760        }
1761
1762        case Source::kWhatCacheStats:
1763        {
1764            int32_t kbps;
1765            CHECK(msg->findInt32("bandwidth", &kbps));
1766
1767            notifyListener(MEDIA_INFO, MEDIA_INFO_NETWORK_BANDWIDTH, kbps);
1768            break;
1769        }
1770
1771        case Source::kWhatSubtitleData:
1772        {
1773            sp<ABuffer> buffer;
1774            CHECK(msg->findBuffer("buffer", &buffer));
1775
1776            sendSubtitleData(buffer, 0 /* baseIndex */);
1777            break;
1778        }
1779
1780        case Source::kWhatTimedTextData:
1781        {
1782            int32_t generation;
1783            if (msg->findInt32("generation", &generation)
1784                    && generation != mTimedTextGeneration) {
1785                break;
1786            }
1787
1788            sp<ABuffer> buffer;
1789            CHECK(msg->findBuffer("buffer", &buffer));
1790
1791            sp<NuPlayerDriver> driver = mDriver.promote();
1792            if (driver == NULL) {
1793                break;
1794            }
1795
1796            int posMs;
1797            int64_t timeUs, posUs;
1798            driver->getCurrentPosition(&posMs);
1799            posUs = posMs * 1000;
1800            CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
1801
1802            if (posUs < timeUs) {
1803                if (!msg->findInt32("generation", &generation)) {
1804                    msg->setInt32("generation", mTimedTextGeneration);
1805                }
1806                msg->post(timeUs - posUs);
1807            } else {
1808                sendTimedTextData(buffer);
1809            }
1810            break;
1811        }
1812
1813        case Source::kWhatQueueDecoderShutdown:
1814        {
1815            int32_t audio, video;
1816            CHECK(msg->findInt32("audio", &audio));
1817            CHECK(msg->findInt32("video", &video));
1818
1819            sp<AMessage> reply;
1820            CHECK(msg->findMessage("reply", &reply));
1821
1822            queueDecoderShutdown(audio, video, reply);
1823            break;
1824        }
1825
1826        case Source::kWhatDrmNoLicense:
1827        {
1828            notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, ERROR_DRM_NO_LICENSE);
1829            break;
1830        }
1831
1832        default:
1833            TRESPASS();
1834    }
1835}
1836
1837void NuPlayer::onClosedCaptionNotify(const sp<AMessage> &msg) {
1838    int32_t what;
1839    CHECK(msg->findInt32("what", &what));
1840
1841    switch (what) {
1842        case NuPlayer::CCDecoder::kWhatClosedCaptionData:
1843        {
1844            sp<ABuffer> buffer;
1845            CHECK(msg->findBuffer("buffer", &buffer));
1846
1847            size_t inbandTracks = 0;
1848            if (mSource != NULL) {
1849                inbandTracks = mSource->getTrackCount();
1850            }
1851
1852            sendSubtitleData(buffer, inbandTracks);
1853            break;
1854        }
1855
1856        case NuPlayer::CCDecoder::kWhatTrackAdded:
1857        {
1858            notifyListener(MEDIA_INFO, MEDIA_INFO_METADATA_UPDATE, 0);
1859
1860            break;
1861        }
1862
1863        default:
1864            TRESPASS();
1865    }
1866
1867
1868}
1869
1870void NuPlayer::sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex) {
1871    int32_t trackIndex;
1872    int64_t timeUs, durationUs;
1873    CHECK(buffer->meta()->findInt32("trackIndex", &trackIndex));
1874    CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
1875    CHECK(buffer->meta()->findInt64("durationUs", &durationUs));
1876
1877    Parcel in;
1878    in.writeInt32(trackIndex + baseIndex);
1879    in.writeInt64(timeUs);
1880    in.writeInt64(durationUs);
1881    in.writeInt32(buffer->size());
1882    in.writeInt32(buffer->size());
1883    in.write(buffer->data(), buffer->size());
1884
1885    notifyListener(MEDIA_SUBTITLE_DATA, 0, 0, &in);
1886}
1887
1888void NuPlayer::sendTimedTextData(const sp<ABuffer> &buffer) {
1889    const void *data;
1890    size_t size = 0;
1891    int64_t timeUs;
1892    int32_t flag = TextDescriptions::LOCAL_DESCRIPTIONS;
1893
1894    AString mime;
1895    CHECK(buffer->meta()->findString("mime", &mime));
1896    CHECK(strcasecmp(mime.c_str(), MEDIA_MIMETYPE_TEXT_3GPP) == 0);
1897
1898    data = buffer->data();
1899    size = buffer->size();
1900
1901    Parcel parcel;
1902    if (size > 0) {
1903        CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
1904        flag |= TextDescriptions::IN_BAND_TEXT_3GPP;
1905        TextDescriptions::getParcelOfDescriptions(
1906                (const uint8_t *)data, size, flag, timeUs / 1000, &parcel);
1907    }
1908
1909    if ((parcel.dataSize() > 0)) {
1910        notifyListener(MEDIA_TIMED_TEXT, 0, 0, &parcel);
1911    } else {  // send an empty timed text
1912        notifyListener(MEDIA_TIMED_TEXT, 0, 0);
1913    }
1914}
1915////////////////////////////////////////////////////////////////////////////////
1916
1917sp<AMessage> NuPlayer::Source::getFormat(bool audio) {
1918    sp<MetaData> meta = getFormatMeta(audio);
1919
1920    if (meta == NULL) {
1921        return NULL;
1922    }
1923
1924    sp<AMessage> msg = new AMessage;
1925
1926    if(convertMetaDataToMessage(meta, &msg) == OK) {
1927        return msg;
1928    }
1929    return NULL;
1930}
1931
1932void NuPlayer::Source::notifyFlagsChanged(uint32_t flags) {
1933    sp<AMessage> notify = dupNotify();
1934    notify->setInt32("what", kWhatFlagsChanged);
1935    notify->setInt32("flags", flags);
1936    notify->post();
1937}
1938
1939void NuPlayer::Source::notifyVideoSizeChanged(const sp<AMessage> &format) {
1940    sp<AMessage> notify = dupNotify();
1941    notify->setInt32("what", kWhatVideoSizeChanged);
1942    notify->setMessage("format", format);
1943    notify->post();
1944}
1945
1946void NuPlayer::Source::notifyPrepared(status_t err) {
1947    sp<AMessage> notify = dupNotify();
1948    notify->setInt32("what", kWhatPrepared);
1949    notify->setInt32("err", err);
1950    notify->post();
1951}
1952
1953void NuPlayer::Source::onMessageReceived(const sp<AMessage> & /* msg */) {
1954    TRESPASS();
1955}
1956
1957}  // namespace android
1958